package lianshoo;

import java.util.Scanner;


public class Test5 {
    public static void main(String[] args) {


    Scanner sc=new Scanner(System.in);
        System.out.println("请输入:");
        String s = sc.nextLine();
        int bigCount=0;
        int smallCount=0;
        int numCount=0;
        char[] chars = s.toCharArray();
        for (int i = 0; i < chars.length; i++) {
            char c = chars[i];
            if (c>='A'&&c<='Z'){
                bigCount++;
            }else if (c>='a'&&c<='z'){
                smallCount++;
            }else if (c>='0'&&c<='9'){
                numCount++;
            }
        }
        System.out.println("大写字母字符个数" + bigCount);
        System.out.println("小写字母字符个数" + smallCount);
        System.out.println("数字字母" + numCount);
    }
}
